Peter,
On 11/16/23 14:19, l...@kreuser.name wrote:
Hi Chris*,
Am 16.11.2023 um 20:12 schrieb Christopher Schultz
<ch...@christopherschultz.net>:
Christoph,
On 11/15/23 10:32, Christoph Kukulies wrote:
I'm running tomcat9 under Ubuntu 22.04 with an haproxy 2.8 in front of it.
I'm wondering about the following in the logs:
Nov 15 16:19:23 mail tomcat9[832]: Reloading memory user database
[UserDatabase] from updated source [file:/var/lib/tomcat9/conf/tomcat-users.xml]
Nov 15 16:19:23 mail tomcat9[832]: The specified user database
[conf/tomcat-users.xml] could not be found
Nov 15 16:19:33 mail tomcat9[832]: Reloading memory user database
[UserDatabase] from updated source [file:/var/lib/tomcat9/conf/tomcat-users.xml]
Nov 15 16:19:33 mail tomcat9[832]: The specified user database
[conf/tomcat-users.xml] could not be found
Nov 15 16:19:43 mail tomcat9[832]: Reloading memory user database
[UserDatabase] from updated source [file:/var/lib/tomcat9/conf/tomcat-users.xml]
Nov 15 16:19:43 mail tomcat9[832]: The specified user database
[conf/tomcat-users.xml] could not be found
Nov 15 16:19:53 mail tomcat9[832]: Reloading memory user database
[UserDatabase] from updated source [file:/var/lib/tomcat9/conf/tomcat-users.xml]
Nov 15 16:19:53 mail tomcat9[832]: The specified user database
[conf/tomcat-users.xml] could not be found
File /var/lib/tomcat9/conf/tomcat-users.xml is definitely there.
It occurs every 10 seconds.
Don't know who is causing this and why. Permissions? Ownership wrong?
-rw-r----- 1 root root 2756 Jan 15 2022 tomcat-users.xml
Believe the ownership was wrong. Maybe it came from migrating an old
installation.
What are the correct perms/ownership in /var/lib/tomcat9 and below?
What is the user-owner of the JVM process?
Check that all of the above would be both readable and executable by that user:
ls -ld /var
ls -ld /var/lib
ls -ld /var/lib/tomcat9
ls -ld /var/lib/tomcat9/conf
... and of course that the JVM user can read
/var/lib/tomcat9/conf/tomcat-users.xml which I assume is true since you said
you already checked it.
What is the cwd of the JVM process?
The first message ("reloading") has the full path, and the second message ("file not
found") only mentions a relative path. I wonder if that is the difference.
Could it be that the second path relates to a missing env-Variable
$CATALINA_BASE or $CATALINA_HOME?
Unlikely. Tomcat always determines the values for catalina.home and
catalina.base before launching the JVM. After that, only those system
properties are consulted.
But it's possible there is some sloppy code somewhere that is using
cwd-relative paths.
-chris
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